/*
 * Copyright:  2018 smarabbit studio.
 *
 *  Licensed under the Confluent Community License; you may not use this file
 *  except in compliance with the License.  You may obtain a copy of the License at
 *
 *  http://www.confluent.io/confluent-community-license
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OF ANY KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations under the License.
 *
 *  @作   者： 黄开晖 (117227773@qq.com)
 *  @日   期:  2019年1月7日
 */

package com.massyframework.beanskin.util.threadlocal;

/**
 * {@link ThreadLocalBinder}, 支持在两个线程之间复制线程变量。
 * <p>
 * 在A线程创建{@link ThreadLocalBinder}的实例，在实例化的同时采集A线程的线程变量。<br>
 * 实例被传递到{@link Runnable}，在B线程调用{@link Runnable#run()}方法时，将线程变量绑定到B线程，<br>
 * 从而实现在A，B线程间复制线程变量.
 *
 * {@see ThreadLocalBinableExecutorService}
 */
public interface ThreadLocalBinder {

    /**
     * 将线程变量绑定到当前线程。
     */
    void bind();
    
    /**
     * 撤销绑定，避免出现内存泄漏
     */
    void unbind();
}
